Uzbekistan, Khiva, An archway in the Mosque in Kunya Ark, also known as Kohna Ark, Ichan Kala.

Uzbekistan, Khiva, Mohammed Rahim Khan Madrasah housing Museum of History, Ichan Kala.

Italy, Venice, St Mark's Basilica, The Last Judgement over the main portal of the western facade.

Ireland, County Sligo, Tawnatruffaun, Portal Tomb.

Ireland, County Sligo, Tawnatruffaun, Portal Tomb.

Ireland, County Sligo, Tawnatruffaun, Portal Tomb.

Ireland, County Sligo, Tawnatruffaun, Portal Tomb.

Ireland, County Carlow, Brownshill Dolmen.

Spain, Madrid, Detail of Nativity scene from the main portal of church San Jeronimo el Real.

Uganda, Kabarole District, Student teachers in the library at Fort Portal Teacher Training College.

Uganda, Kabarole District, Fort Portal Teacher Training College Student teacher sat at a PC reading a National Newspaper

Italy, Sicily, Piazza Duomo, Castelmola Cathedral.